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52066019808 = 2536111959181
BaseRepresentation
bin110000011111011000…
…000110100111100000
311222101120101212000000
4300133120012213200
51323112400113213
635530243300000
73522146603055
oct603730064740
9158346355000
1052066019808
1120098a02340
12a11097a600
134ba9ac105a
14273cc9302c
15154ae48c73
hexc1f6069e0

52066019808 has 672 divisors, whose sum is σ = 180465667200. Its totient is φ = 14612659200.

The previous prime is 52066019807. The next prime is 52066019809. The reversal of 52066019808 is 80891066025.

It is an interprime number because it is at equal distance from previous prime (52066019807) and next prime (52066019809).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52066019807) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 287657478 + ... + 287657658.

It is an arithmetic number, because the mean of its divisors is an integer number (268550100).

Almost surely, 252066019808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52066019808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90232833600).

52066019808 is an abundant number, since it is smaller than the sum of its proper divisors (128399647392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52066019808 is a wasteful number, since it uses less digits than its factorization.

52066019808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 52066019808 in words is "fifty-two billion, sixty-six million, nineteen thousand, eight hundred eight".